[CrashReport] Mac crash - UE4Editor-Slate.dylib!FTextLayout::GetAsTextAndOffsets()

LogRenderer: Reallocating scene render targets to support 804x584 Format 9 NumSamples 1 (Frame:1).
BlueprintLog: New page: Compile ChunkBP
LogMac: === Critical error: ===
SIGSEGV: invalid attempt to access memory at address 0x0

LogMac: FTextLayout::GetAsTextAndOffsets(FString*, FTextLayout::FTextOffsetLocations*) const Address = 0x7892620  (filename not found) [in UE4Editor-Slate.dylib]
FSlateEditableTextLayout::FTextInputMethodContext::GetSelectionRange(unsigned int&, unsigned int&, ITextInputMethodContext::ECaretPosition&) Address = 0x7a20469  (filename not found) [in UE4Editor-Slate.dylib]
invocation function for block in PerformBlockOnThread(FCocoaRunLoopSource&, void () block_pointer, NSArray*, NSString*, bool) Address = 0x4d2920   (filename not found) [in UE4Editor-Core.dylib]
FCocoaRunLoopSource::Process(__CFString const*) Address = 0x46dc04   (filename not found) [in UE4Editor-Core.dylib]
-[FCocoaRunLoopSourceInfo perform] Address = 0x46d656   (filename not found) [in UE4Editor-Core.dylib]
__CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__() Address = 0xabc4c3c1 (filename not found) [in CoreFoundation]
__CFRunLoopDoSources0() Address = 0xabc2d2cd (filename not found) [in CoreFoundation]
__CFRunLoopRun() Address = 0xabc2c7c6 (filename not found) [in CoreFoundation]
CFRunLoopRunSpecific() Address = 0xabc2c1c4 (filename not found) [in CoreFoundation]
FMacPlatformMisc::PumpMessages(bool) Address = 0x4767ef   (filename not found) [in UE4Editor-Core.dylib]
FEngineLoop::Tick() Address = 0x19532b   (filename not found) [in UE4Editor]
GuardedMain(wchar_t const*) Address = 0x19dc22   (filename not found) [in UE4Editor]
-[UE4AppDelegate runGameThread:] Address = 0x1ab5d0   (filename not found) [in UE4Editor]
-[FCocoaGameThread main] Address = 0x46de86   (filename not found) [in UE4Editor-Core.dylib]
__NSThread__start__() Address = 0xad64ebcd (filename not found) [in Foundation]
_pthread_body() Address = 0xc15a89af (filename not found) [in libsystem_pthread.dylib]
_pthread_body() Address = 0xc15a88fb (filename not found) [in libsystem_pthread.dylib]
thread_start() Address = 0xc15a8101 (filename not found) [in libsystem_pthread.dylib]

SEGV_NOOP at 0x0

UE4Editor-Slate.dylib!FTextLayout::GetAsTextAndOffsets()
UE4Editor-Slate.dylib!FSlateEditableTextLayout::FTextInputMethodContext::GetSelectionRange()
UE4Editor-Core.dylib!<Unknown>
UE4Editor-Core.dylib!FCocoaRunLoopSource::Process()
UE4Editor-Core.dylib!<Unknown>
CoreFoundation!Unknown()
CoreFoundation!Unknown()
CoreFoundation!Unknown()
CoreFoundation!Unknown()
UE4Editor-Core.dylib!PerformBlockOnThread(FCocoaRunLoopSource&, void()
UE4Editor-Core.dylib!FMacApplication::UpdateScreensArray()
UE4Editor-Core.dylib!FMacApplication::ProcessDeferredEvents()
UE4Editor-Slate.dylib!FSlateApplication::TickPlatform()
UE4Editor-Slate.dylib!FSlateApplication::Tick()
UE4Editor!FEngineLoop::Tick()
UE4Editor!GuardedMain()
UE4Editor!<Unknown>
UE4Editor-Core.dylib!<Unknown>
Foundation!Unknown()
libsystem_pthread.dylib!<Unknown>
libsystem_pthread.dylib!<Unknown>
libsystem_pthread.dylib!<Unknown>